public class demo2 {
    private int age;
    private String frist_name;

    public int getAge() {
        return age;
    }

    public void setAge(int age) {
        this.age = age;
    }

    public String getFrist_name() {
        return frist_name;
    }

    public void setFrist_name(String frist_name) {
        this.frist_name = frist_name;
    }

    @Override
    public String toString() {
        return "demo2{" +
                "age=" + age +
                ", frist_name='" + frist_name + '\'' +
                '}';
    }
    public void show(){
        System.out.println("我的第二个hello");
    }
}
